The US government wanted the land of the Native Americans, and they were not willing to just give it up.
Romans came into contacts with Greeks during the Sammite Warsduring the third and fourth centuries BC. Later, the Romansconquered Greece.
England and Spain had been at each other's neck from 1585 to 1603. It all started during the era of exploration of the New World. Both couhtries were vying for the wealth and power brought upon the expeditions. Another issue that both had been very tense about is religion. England was a Protestant country under the rule of Elizabeth I. Spain considered it as a religous crusade and lastly, English Seamen were attacking Spanish vessels. Because of these issues both countries were at war. Many Protestants were persecuted during the reign of Mary Tudor. Elizabeth I excommunicated the Pope,just to name a few. Spanish vessels were attacked by Drake. The war ended when Elizabeth I died and King James i issued a decree on piracy